Author:Geldenhuys, CJDate:1985Annotated references to 519 publications are presented, together with keyword listings and keyword, regional, place name and taxonomic indices. This bibliography forms part of the first phase of the activities of the Forest Biome Task Group.Read more
Author:Hall, AVDate:Nov 1984The aim of this book is to give a holistic setting to the conservation of plants and animals. Instead of concentrating on species alone, the aim is to spread the concern to the physical and biological features; including humanity that make ...Read more
Author:Brown, CJ; Macdonald, IAW; Brown, SEDate:1985The greatest threat of invasion of alien species of plants and animals is posed by species which originate from similar arid habitats in other parts of the world. In general the smaller the number of individuals of an alien species introduced ...Read more
Author:Mhlongo, MI; Piater, LA; Steenkamp, Paul A; Madala, NE; Dubery, IADate:Jan 2015Previous studies suggest that only transisomers of chlorogenic acid (CGA) are naturally produced. Cis-isomers have been noted in some plant tissues exposed to different mechanical processes as well as untreated tobacco leaves exposed to ...Read more
Author:Strydom, ESP; Wehmeyer, ASDate:Dec 1969Freeze-dried samples are used for analysis and the methods of preparation of samples for freeze-drying are discussed. Freeze-drying has obvious advantages but has also a few minor disadvantages. Difficulties encountered in the determination ...Read more
Author:Kruger, FJ; Miller, PM; Miller, J; Oechels, WCDate:Mar 1985This report outlines progress with the development of computer based dynamic simulation models for ecosystems in the fynbos biome. The models are planned to run on a portable desktop computer with 500 kbytes of memory, extended BASIC language, ...Read more
Author:Hall, AV; Veldhuis, HADate:1985In this report a list is given of 1 808 rare, threatened and recently extinct plants in the fynbos and karoo biomes in the Cape Province of South Africa. The area covers the south-western and southern Cape, Namaqualand and the Karoo. Following ...Read more
Author:Hall, AV; De Winter, M; De Winter, B; Van Oosterhout, SAMDate:May 1980Lists are provided of 1 915 vascular plant taxa regarded to be either extinct or variously threatened in southern Africa, the region south of (but excluding) Angola, Zimbabwe and Mozambique. These include 39 recently extinct taxa} 105 endangered, ...Read more